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He showed up to the singer's Tribeca building at least four times in a span of two months, according to the complaint. One night, Mohammed was allegedly captured on surveillance footage entering the building where he was spotted outside Taylor's apartment door.

The news comes as Taylor continues to live a more private life in 2017. Back in February, the "Shake It Off" singer treated the audience to a medley of hits when she performed at DIRECTV's Super Bowl concert.

During the show, she said this will mark her only concert this year.

Close friend Ed Sheeran, however, recently dropped a hint that Taylor could be working on new music this year. In fact, a new disc may be ready to go around the holidays.

"I think this year is going to be the high point. I have a feeling about it. Seventeen is my lucky number, and everyone I was scared of releasing of albums around me released them all last year—people like Beyoncé and The Weeknd and Bruno Mars," Ed told BBC News earlier this month. "Taylor isn't going to be releasing until probably the end of this year—Christmas is the smartest time to release because that's when everyone buys records, so I've got a full year of just all Ed, all the time."